<html>
<head>
    <title>Unserialize</title>
</head>
<body>
<form action="" method="post">
    <textarea name="value" rows="5" cols="50"><?php echo @$_POST['value'];?></textarea>
    <br>
    <input type="submit" value="Submit">
</form>

<?php
    if (@$_POST['value']) {
        JBDump(unserialize($_POST['value']), 'unserialize');
    }
?>

</body>
</html>

